发现了一个BUG。

[xulin2017]

希望可以得到解决。

[Courela]

Can you write in english, please?
Translation says that you found a bug, by the image I can't say what bug is. Also, I haven't mess with DataTransformer, only with JsonTransformer, I only changed DataTransformer to make the behavior as similar as possible with JsonTransformer.